document.write( "Question 1072699: How much money should be deposited today in an account that earns 6.5 %
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document.write( "compounded monthly so that it will accumulate to $ 14,000
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document.write( "in three years?\r
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document.write( " I got 2,478.29 and it is wrong. All i have done is plug it into my calculator. \n" );
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Algebra.Com's Answer #687525 by Theo(13342) You can put this solution on YOUR website! your annual interest rate is 6.5% / 100 = .065\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "there are 12 months in the year.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your number of months is equal to 12 * 3 = 36\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your monthly rate is .065 / 12 = .005416666.....\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the formula is f = p * (1 + r) ^ n\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "f is the future value \n" ); document.write( "p is the present valued \n" ); document.write( "r is the interest rate per time period. \n" ); document.write( "n is the number of time periods.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your time periods are in months.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "replace f with 14000 and replace r with .005416666.... and replace n with 36 and your formula becomes:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "14000 = p * (1.005416666....) ^ 36\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "divide both sides of this equation by (1.005416666....) ^ 36 to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "14000 / ((1.005416666....) ^ 36) = p\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve for p to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "p = 11525.74876\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |